27068

Appears in sequences

• Decimal part of a(n)^(1/5) starts with reversal of its integer part: first term of runs.at n=6A034311
• Number of 2 X 2 tiles in all tilings of a 4 X n rectangle with 1 X 1 and 2 X 2 square tiles.at n=9A128102
• Number of permutations f of {1,...,n} such that prime(k)*prime(f(k)) - 2 is prime for every k = 1,...,n.at n=14A321855
• Total number of ascents in all faro permutations of length n.at n=14A340567